CONTENTS / USING THIS MANUAL
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TABLE OF CONTENTS
PART I. COMBUSTION AIR AND VENTILATION
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A. Fresh Air Intake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
B. Air for Combustion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
C. Combustion Air Supply with No Barometric Damper . . . . . . . . . . . . . . . . . . . . . . . . .3
PART II. VENTING REQUIREMENTS
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A. Neutral Point Pressure Adjuster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
B. Roof Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
C. Heat Extractors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
PART III. NATURAL DRAFT APPLICATIONS
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PART IV. MECHANICAL DRAFT APPLICATIONS
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PART V. POWER VENTER APPLICATIONS
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PART VI. DIRECT VENT APPLICATIONS
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A. Installing The Joint Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
B. Installing The Outside Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
C. Connections To Outside Terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
D. Connections To Appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
PART VII. MAINTENANCE
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PART VIII. CERAFLEX “FLEX L” COMPONENTS LIST
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DANGER
Indicates a condition or hazard which
will cause severe personal injury, death
or major property damage.
SPECIAL ATTENTION BOXES
Throughout this manual you will see these
special attention boxes similar to this one,
which are intended to supplement the
instructions and make special notice of
potential hazards. These categories mean, in
the judgement of Heat Transfer Products, Inc.:
WARNING
Indicates a condition or hazard which
may cause severe personal injury,
death or major property damage.
CAUTION
Indicates a condition or hazard which
will or can cause minor personal injury
or property damage.
USING THIS MANUAL
